<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <link href="../build/nv.d3.css" rel="stylesheet" type="text/css">
        <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.2/d3.min.js" charset="utf-8"></script>
        <script src="../build/nv.d3.js"></script>

        <style>
            text {
                font: 12px sans-serif;
            }
            svg {
                display: block;
            }
            html, body {
                margin: 0px;
                padding: 0px;
                height: 100%;
                width: 100%;
            }
            #resetBrushButton {
                color: white;
                visibility: hidden;
                background: gray;
                border: 0;
            }
            #resetSortingButton {
                left: 84px;
                visibility: hidden;
                color: white;
                background: gray;
                border: 0;
            }
        </style>
    </head>
    <body>
        <div style="position:absolute; top: 0; left: 0;">
            <button id="resetBrushButton" onclick="resetBrush();">Reset Brush</button>
            <button id="resetSortingButton" onclick="resetSorting();">Reset Sorting</button>
        </div>

        <svg id="test" class="myparallelCoordinatechart"></svg>

        <script>
        
            function resetBrush() {
                chart.filters([]);
                chart.active([]);
                chart.displayBrush(true);
                d3.select("#resetBrushButton").style("visibility", "hidden");
                chart.update();
            }

            function resetSorting() {
                var dim = chart.dimensionData();
                dim.map(function (d) { return d.currentPosition = d.originalPosition; });
                dim.sort(function (a, b) { return a.originalPosition - b.originalPosition; });
                chart.dimensionData(dim);
                d3.select("#resetSortingButton").style("visibility", "hidden");
                chart.update();
            }

            nv.addGraph(function () {

                var dim = dimensions();
                chart = nv.models.parallelCoordinatesChart()
                    .dimensionData(dim)
                    .displayBrush(false)
                    .lineTension(0.85);

                var data = mydata();
                d3.select('#test')
                    .datum(data)
                    .call(chart);

                nv.utils.windowResize(chart.update);

                chart.dispatch.on('brushEnd', function (e) {
                    d3.select("#resetBrushButton").style("visibility", "visible");
                });

                chart.dispatch.on('dimensionsOrder', function (e, b) {
                    if (b) {
                        d3.select("#resetSortingButton").style("visibility", "visible");
                    }
                });

                // update chart data values randomly
                setInterval(function () {
                    data[0].values.P1 = Math.floor(Math.random() * 100);
                    chart.update();
                }, 4000);

                // update chart data dimension randomly
                setInterval(function () {
                    var element = {
                        key: "P7",
                        format: "p",
                        tooltip: "year",
                    }
                    if (dim.length === 7) {
                        dim.splice(dim.indexOf(element), 1);
                    } else {
                        dim.push(element);
                    }
                    chart.dimensionData(dim);
                    chart.update();
                }, 10000);

                return chart;
            });

            function dimensions() {
                return [
                    {
                        key: "P1",
                        format: "0.5f",
                        tooltip: "economy (mpg)",
                    },
                    {
                        key: "P2",
                        format: "e",
                        tooltip: "cylinders",
                    },
                    {
                        key: "P3",
                        format: "g",
                        tooltip: "displacement (cc)",
                    },
                    {
                        key: "P4",
                        format: "d",
                        tooltip: "power (hp)",
                    },
                    {
                        key: "P5",
                        format: "",
                        tooltip: "weight (lb)",
                    },
                    {
                        key: "P6",
                        format: "%",
                        tooltip: "0-60 mph (s)",
                    },
                    {
                        key: "P7",
                        format: "p",
                        tooltip: "year",
                    }
                ];
            }

            function mydata() {
                return [
                    {
                        name: "Current design point",
                        values: {
                            "P1": "13",
                            "P2": "8",
                            "P3": "360",
                            "P4": "175",
                            "P5": "3821",
                            "P6": "11",
                            "P7": "73"
                        },
                        color: "red",
                        strokeWidth: 2
                    },
                    {
                        name: "DP1",
                        values: {
                            "P1": "15",
                            "P2": "8",
                            "P3": "390",
                            "P4": "190",
                            "P5": "3850",
                            "P6": "8.5",
                            "P7": "70"
                        },
                        color: "blue",
                        strokeWidth: 1
                    },
                    {
                        name: "DP2",
                        values: {
                            "P1": "17",
                            "P2": "8",
                            "P3": "304",
                            "P4": "150",
                            "P5": "3672",
                            "P6": "11.5",
                            "P7": "72"
                        },
                        color: "blue",
                        strokeWidth: 2
                    },
                    {
                        name: "DP3",
                        values: {
                            "P1": "20.2",
                            "P2": "6",
                            "P3": "232",
                            "P4": "",
                            "P5": "3265",
                            "P6": "18.2",
                            "P7": "79"
                        },
                        color: "blue",
                        strokeWidth: 1
                    },
                    {
                        name: "DP4",
                        values: {
                            "P1": "18.1",
                            "P2": "6",
                            "P3": "258",
                            "P4": "120",
                            "P5": "3410",
                            "P6": "15.1",
                            "P7": "78"
                        },
                        color: "blue",
                        strokeWidth: 1
                    }
                ];
            }

        </script>
    </body>
</html>
